“Booked a split system clean and the difference was instant — no more musty smell when it starts up.”
Verified
Keysborough’s newer estates run ducted and split cooling hard through hot south-east summers. FreshDuct cleans split-system coils, fans and condensers so they keep up, with photo proof.
Newer home, split fading? Dust and mould build up fast — a clean restores the cool.
Keysborough has transformed over the last couple of decades, its former market gardens and open land now filled with large newer estates around Parkmore and Springvale South. The homes are modern project builds, typically cooled by a ducted system plus split systems in the bedrooms and living areas, and they run hard through the hot, sometimes humid south-eastern summers.
For these newer splits the issues are dust and mould. The estates sit on open, once-agricultural land, so there is plenty of fine dust to clog outdoor condensers and indoor coils. And the long, humid summer runs that keep the bedrooms comfortable also leave moisture on the indoor coil and drum, giving black mould an easy place to grow — which is where that musty smell on start-up comes from.
FreshDuct cleans Keysborough split systems to deal with both. We wash the dust-clogged condenser, deep-clean and sanitise the indoor coil and fan to clear mould, clear the filter and drain, and document each job with before and after photos.
The things we look at first on a Keysborough split system — based on the local homes and conditions.
Keysborough’s estates sit on former open land, so there is plenty of dust to clog condensers and coils. We wash both to restore the airflow the units need to cool efficiently.
Long, humid south-east summer runs leave moisture on the coil and drum, growing mould and the musty start-up smell. We deep-clean and sanitise to clear it at the source.
Newer Keysborough homes usually run ducted cooling with splits in the key rooms. We clean the splits so the bedrooms and living zones stay comfortable through the peak.
Real photos from FreshDuct split-system cleans. We document every job with before and after photos.



One local team for the whole unit — from a routine coil clean to mould treatment, repairs and new installs.

Deep clean of the evaporator coil, barrel fan and drum where mould and dust hide.
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Clearing and washing the outdoor coil and fins so the system can shed heat.
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Sanitising the unit to clear black mould, mildew and the musty smell on start-up.
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Cleaning filters and clearing the drain line that causes dripping and leaks.
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A complete indoor and outdoor clean, sanitise and health check in one visit.
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Not cooling, leaking or noisy? We diagnose, repair and install split systems too.
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A Keysborough split faces a double load: dust from the surrounding estates clogging its airflow, and moisture from long humid runs growing mould inside the head. Left alone, the unit cools less and starts to smell musty when it kicks on.
We clean the condenser and the indoor coil and fan, and sanitise to clear the mould at its source. The result is a unit that cools properly again and blows clean, fresh air rather than a musty smell into the bedrooms.
FreshDuct cleans split systems across Keysborough and the south-east 7 days a week. We regularly work neighbouring Dandenong, Cranbourne, Moorabbin and Clayton, so Keysborough and the surrounding estates are part of our normal run.
From estates around Parkmore to homes toward Springvale South, we can usually offer a prompt time and prioritise units that have stopped cooling in the heat.
A safe, documented, end-to-end clean — every job, every suburb.
We check the indoor head, filters, coil and outdoor condenser.
Walls, floors and furniture are covered before any water is used.
Coil, barrel fan, drain and condenser washed and sanitised.
We clear black mould and neutralise the musty smell.
We run the unit, check the cool, and take before & after photos.
Site left clean and dry, with honest advice.
Verified 5-star reviews from across FreshDuct’s duct, heating, cooling and split-system services.
“Booked a split system clean and the difference was instant — no more musty smell when it starts up.”
Verified
“On time, tidy and thorough. They showed me the black mould they pulled out of the unit. Impressed.”
Verified
“Our bedroom split is finally cooling properly again. Friendly, professional and no mess left behind.”
Verified
“So glad I chose FreshDuct. Cleaned two heads and the outdoor unit, all explained clearly.”
Verified
“Quick, efficient and professional — the air quality difference was obvious the same day.”
Verified
“The technician was incredibly thorough and the before/after photos said it all.”
Verified
We cover Keysborough and the surrounding suburbs. Explore nearby areas and related FreshDuct services.
That is usually two things at once: mould on the indoor coil and drum from long humid summer runs, causing the smell, and dust on the coil and condenser cutting the cooling. We deep-clean and sanitise the indoor unit and wash the condenser, which clears the smell and restores the cooling together.
With estate dust and humid summer runs, most Keysborough homes benefit from a clean every 9 to 12 months. Homes with pets, allergies or heavy summer use often do better with a clean every 6 to 9 months to keep mould and dust in check.
Yes. FreshDuct cleans and services split-system air conditioners across Keysborough and the surrounding south-east, 7 days a week — indoor heads, outdoor condensers, mould treatment and repairs. Call 04 3191 8137 or request a free quote.
Split-system cleaning is quoted per indoor head and outdoor unit, based on how many units you have, their type and access. You get clear pricing up front before any work starts — call 04 3191 8137 for a fast quote.
For most Keysborough homes, a professional clean every 12 months keeps the coil, fan and filters clear and the air healthy. Heavy users, homes with pets, allergies or nearby trees, and holiday rentals often benefit from every 6 to 9 months.
Yes. Every FreshDuct split-system clean in Keysborough comes with before and after photos and honest, plain-English advice — so you can see exactly what came out of the unit and the result.
Coil, fan and condenser cleaning, mould treatment and repairs — a healthy, better-cooling unit with photo proof. Available 7 days.
Tell us about your split system — we respond fast, 7 days.